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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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582 | 582 |
583 // replace mixed audio with Dtmf tone | 583 // replace mixed audio with Dtmf tone |
584 if (_audioFrame.num_channels_ == 1) | 584 if (_audioFrame.num_channels_ == 1) |
585 { | 585 { |
586 // mono | 586 // mono |
587 memcpy(_audioFrame.data_, toneBuffer, sizeof(int16_t) | 587 memcpy(_audioFrame.data_, toneBuffer, sizeof(int16_t) |
588 * toneSamples); | 588 * toneSamples); |
589 } else | 589 } else |
590 { | 590 { |
591 // stereo | 591 // stereo |
592 for (int i = 0; i < _audioFrame.samples_per_channel_; i++) | 592 for (size_t i = 0; i < _audioFrame.samples_per_channel_; i++) |
593 { | 593 { |
594 _audioFrame.data_[2 * i] = toneBuffer[i]; | 594 _audioFrame.data_[2 * i] = toneBuffer[i]; |
595 _audioFrame.data_[2 * i + 1] = 0; | 595 _audioFrame.data_[2 * i + 1] = 0; |
596 } | 596 } |
597 } | 597 } |
598 assert(_audioFrame.samples_per_channel_ == toneSamples); | 598 assert(_audioFrame.samples_per_channel_ == toneSamples); |
599 | 599 |
600 return 0; | 600 return 0; |
601 } | 601 } |
602 | 602 |
603 } // namespace voe | 603 } // namespace voe |
604 } // namespace webrtc | 604 } // namespace webrtc |
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